Not at all related to garden railways, but I saw a story on a TV news program last weekend about a Dutch artist, Theo Jansen, who combines art with engineering to create what he calls "Strandbeest" (beach animal). I found it fascinating. Watch and I think you'll agree. http://vimeo.com/68081694
"It is one of the happiest characteristics
of this glorious country that official utterances are invariably
regarded as unanswerable."
-Sir Joseph Porter, First Lord of the Admiralty (HMS Pinafore)